CamelBak's Podium Chill is a high-performance insulated sport bottle that keeps your water cooler longer.Double-Walled Construction: Closed-cell foam technology keepswater cold twice as long as standard bottlesPatented Spill-Proof Jet Valve: Design allows youto hydrate immediately without having to open or close a drinking interfaceStreamlined Ergonomic Design:Flexible material offers excellent squeezability without compromising bottle gripMore Details:The large aperture of the Podium Chill'sdrinking nozzle generates an exceptional water flow rate and is easy to remove for thorough cleaning. The Podium Chill also has a lockout dial with easy to read graphics for leak-proof transport.